Burkert 2875 proportional valve 255716 4mm
LEHIY item code: LH-0003
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The Burkert 2875 proportional valve (model 255716, 4mm) is a brass G1/2 inch direct-acting two-way standard Burkert proportional solenoid valve.
The working principle is based on the electromagnetic switching valve principle: when de-energized, the spring presses the iron core directly onto the valve seat, closing the Burkert valve.
When the coil is energized, the generated electromagnetic force overcomes the spring force, lifting the iron core and opening the valve. The Burkert proportional solenoid valve modifies the structure of the electromagnetic switching valve: under any coil current, a balance is achieved between the spring force and the electromagnetic force.
The magnitude of the coil current or the electromagnetic force affects the plunger stroke and opening valve, and the valve opening (flow rate) has an ideal linear relationship with the coil current (control signal). solenoid valve, the flow direction is downward from the valve seat.
The medium flows in from below the valve seat, and the direction of its force is the same as the electromagnetic force but opposite to the spring force.
Therefore, it is necessary to set the maximum and minimum flow rates corresponding to the operating range (coil current) under the working state.
Burkert proportional solenoid valves from Derek Fluids are always closed when power is off (NC, normally closed type). The Burkert 2835 proportional solenoid valve is discontinued, replaced by the 2875 model. All Burkert proportional valves and controllers are sourced directly from the German Burkert manufacturer, guaranteeing authenticity.
We offer a ten-fold compensation for any counterfeit products. 2875 proportional valve (255716 4mm) can be controlled using the Burkert 8605 or 8611 universal controller.
In principle, the Burkert 8605 controller converts the analog setpoint signal at the input into a corresponding pulse-width modulated (PWM) signal output, which is then used to control the proportional solenoid valve.
Furthermore, the Burkert 8605 controller features current regulation to compensate for coil heating, adapts the minimum and coil maximum current to the applied pressure conditions, zero-point cutoff, and ramp functions.
The 8611 general-purpose controller can control process values such as temperature and frequency, or output PWM signals to control Burkert proportional solenoid valves. Burkert products are primarily used in industries including biopharmaceuticals, food, beer, beverages, water treatment, gas, chemicals, refrigeration, textiles, automotive, and fire protection.
Burkert products are categorized by physical process: measurement, control, gas handling, water treatment, cooling systems, sanitary processes, steam, or micro-flow systems. Burkert products encompass solenoid valves, process control valves, analytical valves, pneumatic pilot systems, sensors, and controllers.
Burkert proportional valves with controllers 2875+8605 are available in some models: The Burkert proportional solenoid valve 2835 is discontinued; the 2875 model replaces it (176005, replacement number 00255726), and is paired with the 8605 controller (178354, 8605 controller 178364).
Plain language sourcing guide for Burkert 2875 proportional valve 255716 4mm
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| Brand Name: | Burkert | Certification: | ISO9001, CE |
|---|---|---|---|
| Place of Origin: | China | Condition: | New |
| Warranty: | 1 year | Customized sourcing: | available |
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Burkert 2875 proportional valve 255716 4mm
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